﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;

 
namespace NTTDATA.BEENChina.ResultCertification.WcfServiceLibrary
{
    [ServiceContract(SessionMode = SessionMode.Required,CallbackContract = typeof(IWriteLogCallback))]

    public interface ILogService
    {
        [OperationContract]
        void Subscribe();

      
        [OperationContract]
        void SendMessage(  string msg, DateTime sendTime);  

       
        [OperationContract]
        void Unsubscribe();

    } 
}
